﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using System.IO;

namespace CIniFileLib
{
    /// <summary>
    /// ini文件的基本操作类
    /// </summary>
    public class CIniFile
    {
        public string inipath;
        
        /// <summary>
        /// 写函数的声明
        /// </summary>
        /// <param name="section"></param>
        /// <param name="key"></param>
        /// <param name="val"></param>
        /// <param name="filePath"></param>
        /// <returns></returns>
        [DllImport("kernel32")]
        private static extern long WritePrivateProfileString(string section, string key, string val, string filePath);
        /// <summary>
        /// 读函数的声明
        /// </summary>
        /// <param name="section"></param>
        /// <param name="key"></param>
        /// <param name="def"></param>
        /// <param name="retVal"></param>
        /// <param name="size"></param>
        /// <param name="filePath"></param>
        /// <returns></returns>
        [DllImport("kernel32")]
        private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retVal, int size, string filePath);

        /// <summary>
        /// 构造方法
        /// </summary>
        /// <param name="INIPath">文件路径</param>
        public CIniFile(string INIPath)
        {
            inipath = INIPath;
        }

        public CIniFile() { }

        /// <summary>
        /// 设置路径
        /// </summary>
        /// <param name="iniPath"></param>
        public void SetPath(string iniPath)
        {
            inipath = iniPath;
        }

        /// <summary>
        /// 写入INI文件
        /// </summary>
        /// <param name="Section">项目名称(如 [TypeName] )</param>
        /// <param name="Key">键</param>
        /// <param name="Value">值</param>
        public void IniWriteValue(string Section, string Key, string Value)
        {
            WritePrivateProfileString(Section, Key, Value, this.inipath);
        }
        /// <summary> 
        /// 读出INI文件 
        /// </summary> 
        /// <param name="Section">项目名称(如 [TypeName] )</param> 
        /// <param name="Key">键</param> 
        public string IniReadValue(string Section, string Key)
        {
            StringBuilder temp = new StringBuilder(1024);
            int i = GetPrivateProfileString(Section, Key, "", temp, 1024, this.inipath);
            return temp.ToString();
        }
        /// <summary> 
        /// 验证文件是否存在 
        /// </summary> 
        /// <returns>布尔值</returns> 
        public bool ExistINIFile()
        {
            return File.Exists(inipath);
        }

    }
}
